Red Hat Linux Security Advisories & Vulnerabilities
16045 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
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Security advisories for your Red Hat release
Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata, so keep the system patched. This is the release's advisory history, not a per-package scan.
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Red Hat Enterprise Linux errata (RHSA) via the official Red Hat Security Data API — CVE severity, CVSS and affected packages. A credential-free official source.
Latest Red Hat advisories
High [CVE-2026-3924] Use after free in WindowDialog
Use after free in WindowDialog. Red Hat rates this important (CVSS 8.8). No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-31812] Denial of Service via crafted QUIC Initial packet
Denial of Service via crafted QUIC Initial packet. Red Hat rates this important (CVSS 5.3). Weakness: CWE-248. Affected package(s): ansible-automation-platform, rhoai/odh-model-registry-job-async-upload-rhel9:1778596806, rhtas/tuffer-rhel9:1773307309, rhtas/tuftool-rhel9:1773307309, openshift-logging/vector-rhel9:1780052069. Resolved in Red Hat advisory RHSA-2026:19712 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Logging Subsystem for Red Hat OpenShift 6.4; Red Hat Ansible Automation Platform 2.6; Red Hat OpenShift AI 3.3; Red Hat Trusted Artifact Signer 1.3; and 7 more.
Medium [CVE-2026-30942] Information disclosure via authenticated path traversal
Information disclosure via authenticated path traversal. Red Hat rates this important (CVSS 6.5). Weakness: CWE-22. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-28693] Out-of-bounds read or write due to integer overflow in DIB coder
Out-of-bounds read or write due to integer overflow in DIB coder. Red Hat rates this important (CVSS 8.1). Weakness: CWE-190. Affected package(s): ImageMagick. Resolved in Red Hat advisory RHSA-2026:6713 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux 7 Extended Lifecycle Support.
High [CVE-2026-28691] Denial of Service via uninitialized pointer dereference in JBIG decoder
Denial of Service via uninitialized pointer dereference in JBIG decoder. Red Hat rates this important (CVSS 7.5). Weakness: CWE-824. Affected package(s): ImageMagick. Resolved in Red Hat advisory RHSA-2026:6713 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux 7 Extended Lifecycle Support.
High [CVE-2026-25960] Server-Side Request Forgery bypass via inconsistent URL parsing
Server-Side Request Forgery bypass via inconsistent URL parsing. Red Hat rates this important (CVSS 7.1). Weakness: CWE-474. Affected package(s): rhoai/odh-vllm-gaudi-rhel9:1780069069. Resolved in Red Hat advisory RHSA-2026:24977 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift AI 2.25; Red Hat AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-0846] Arbitrary file read via improper path validation in `filestring()` function
Arbitrary file read via improper path validation in `filestring()` function. Red Hat rates this important (CVSS 7.5). Weakness: CWE-22. Affected package(s): rhoai/odh-workbench-jupyter-pytorch-llmcompressor-cuda-py312-rhel9:1778263054, rhoai/odh-llama-stack-core-rhel9:1775144403, rhoai/odh-pipeline-runtime-pytorch-llmcompressor-cuda-py312-rhel9:1778262893. Resolved in Red Hat advisory RHSA-2026:19712 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3; OpenShift Lightspeed; Red Hat Ansible Automation Platform 2; and 1 more.
High [CVE-2026-3842] missing mapped-length guard after cpu_physical_memory_map causes host OOB write
missing mapped-length guard after cpu_physical_memory_map causes host OOB write. Red Hat rates this important (CVSS 7.8). Weakness: CWE-787. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-31802] File overwrite via drive-relative symlink traversal
File overwrite via drive-relative symlink traversal. Red Hat rates this moderate (CVSS 6.2). Weakness: CWE-22. Affected package(s): devspaces/dashboard-rhel9:1779341289, devspaces/code-rhel9:1779814592. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-3836] Denial of Service via path traversal in D-Bus locale configuration
Denial of Service via path traversal in D-Bus locale configuration. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-22. Affected package(s): dnf5-main. Resolved in Red Hat advisory RHSA-2026:7349 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Low [CVE-2025-69647] infinite loop in readelf via crafted binary with malformed DWARF loclists data
infinite loop in readelf via crafted binary with malformed DWARF loclists data. Red Hat rates this low (CVSS 3.3). Weakness: CWE-835. Affected package(s): binutils-main. Resolved in Red Hat advisory RHSA-2026:7098 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Low [CVE-2025-69648] infinite loop in readelf via crafted binary with malformed DWARF .debug_rnglists data
infinite loop in readelf via crafted binary with malformed DWARF.debug_rnglists data. Red Hat rates this low (CVSS 3.3). Weakness: CWE-835. Affected package(s): binutils-main. Resolved in Red Hat advisory RHSA-2026:7098 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-3731] Denial of Service via out-of-bounds read in SFTP extension name handler
Denial of Service via out-of-bounds read in SFTP extension name handler. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-125. Affected package(s): libssh-main. Resolved in Red Hat advisory RHSA-2026:7067 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-3713] Heap-based buffer overflow in pnm2png allows information disclosure and denial of service
Heap-based buffer overflow in pnm2png allows information disclosure and denial of service. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-131. Affected package(s): libpng-main. Resolved in Red Hat advisory RHSA-2026:6732 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-29186] TechDocs Mkdocs configuration key enables arbitrary code execution
TechDocs Mkdocs configuration key enables arbitrary code execution. Red Hat rates this important (CVSS 9.1). Weakness: CWE-791. Affected package(s): rhdh/rhdh-hub-rhel9:1777903262, rhdh/rhdh-hub-rhel9:1776784286. Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Developer Hub 1.8; Red Hat Developer Hub 1.9.
High [CVE-2026-29786] hardlink path traversal via drive-relative linkpath
hardlink path traversal via drive-relative linkpath. Red Hat rates this important (CVSS 8.6). Weakness: CWE-22. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-24281] Impersonation of servers or clients via reverse DNS spoofing
Impersonation of servers or clients via reverse DNS spoofing. Red Hat rates this important (CVSS 7.4). Weakness: CWE-295. Affected package(s): zookeeper, rhoai/odh-modelmesh-rhel9:1776756834. Resolved in Red Hat advisory RHSA-2026:14276 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift AI 2.25; Red Hat build of Debezium 2; Red Hat build of Debezium 3; Red Hat Fuse 7; and 3 more.
High [CVE-2026-30827] Denial of Service for IPv4 clients due to incorrect IPv6 subnet masking
Denial of Service for IPv4 clients due to incorrect IPv6 subnet masking. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-1389. Affected package(s): ansible-automation-platform-tech-preview/mcp-server-rhel9:1774268173, devspaces/openvsx-rhel9:1779528224. Resolved in Red Hat advisory RHSA-2026:6309 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Low [CVE-2026-24308] Information disclosure via improper handling of configuration values
Information disclosure via improper handling of configuration values. Red Hat rates this important (CVSS 3.3). Weakness: CWE-117. Affected package(s): zookeeper, rhoai/odh-modelmesh-rhel9:1776756834. Resolved in Red Hat advisory RHSA-2026:14276 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift AI 2.25; Red Hat build of Debezium 2; Red Hat build of Debezium 3; Red Hat Fuse 7; and 3 more.
Critical [CVE-2026-28802] Signature verification bypass via malicious JWT allows unauthorized access
Signature verification bypass via malicious JWT allows unauthorized access. Red Hat rates this important (CVSS 9.1). Weakness: CWE-347. Affected package(s): ansible-automation-platform, quay/quay-rhel8:1773771962, quay/quay-rhel9:1779204086, quay/quay-rhel8:1773971077, quay/quay-rhel8:1773936323, quay/quay-rhel8:1775169219. Resolved in Red Hat advisory RHSA-2026:6309 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6; Red Hat Quay 3.10; Red Hat Quay 3.12; Red Hat Quay 3.15; and 3 more.
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